cluster     1   number of spheres in cluster    17
    1  -0.12300   9.98000  14.97100   0.700    1                                
    2  -5.58500   4.16500  14.56400   0.700    2                                
    3  -3.42400   3.13400  14.57700   0.700    3                                
    4  -6.09400   3.13600  15.33500   0.700    4                                
    5  -3.94000   2.06200  15.33300   0.700    5                                
    6  -0.89500   9.33200  13.83100   0.700    6                                
    7  -3.71000   5.30300  13.38400   0.700    7                                
    8  -2.75700   6.14600  14.19300   0.700    8                                
    9  -4.25400   4.17000  14.19300   0.700    9                                
   10  -5.27100   2.06700  15.73600   0.700   10                                
   11  -2.17600   7.36400  13.54300   0.700   11                                
   12  -5.45000  -0.65400  16.10300   0.700   12                                
   13  -2.48700   7.68100  12.44100   0.700   13                                
   14  -7.38200   0.87900  16.59200   0.700   14                                
   15  -5.37300   0.96600  18.04000   0.700   15                                
   16  -1.31500   8.05000  14.33600   0.700   16                                
   17  -5.94000   0.75400  16.71600   0.700   17